Sweetland, Ernest J. In Court of Appeals of District of Columbia, Oct. term, 1925, patent appeal no. 1760, in re Ernest J. Sweetland, lubricating systems of internal combustion engines; brief for commissioner of patents.
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Sweetland, Ernest J. In Court of Appeals of District of Columbia, Oct. term, 1925, patent appeal no. 1760, in re Ernest J. Sweetland, lubricating systems of internal combustion engines; brief for commissioner of patents.
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Sweetland, Ernest J. In Court of Appeals of District of Columbia, Oct. term, 1925, patent appeal no. 1760, in re Ernest J. Sweetland, lubricating systems of internal combustion engines; brief for commissioner of patents.